回答:
如下。
说明:
标准形式的正切函数是 #y =晒黑(Bx - C)+ D#
#“给定:”y = 2 tan(3 pi xi)+ 4#
#A = 2,B = 3 pi,C = 0,D = 4#
#Amplitude = | A | =“切线功能无”#
#“Period”= pi / | B | = pi /(3pi)= 1/3#
#“相移”= -C / B = 0 /(3 pi)= 0,“无相移”##
#“垂直移位”= D = 4#
图{2 tan(3 pi x)+ 6 -10,10,-5,5}